Smart Ring for Women & Men, Health Tracker with Blood Oxygen Monitor, Heart Rate & Sleep Monitor, 5-7 Days Battery, Waterproof Fitness Ring, Black, Size #8

24/7 Health & Fitness Monitoring: Precisely monitor your blood oxygen (SpO2), heart rate, sleep stages (deep, light, REM), and daily activity (steps, calories, distance). Obtain a thorough health overview through the companion app to enhance your wellness and fitness regimen. 5-7 Days Extended Battery Life & 5-Minute Quick Charge: Experience up to 7 days of continuous operation on one charge. Just 5 minutes of charging delivers a full day's power. Eliminates frequent charging for travel, sleep, and daily use. Slim, Lightweight & Universal Design: Constructed from skin-friendly titanium alloy, this smart ring is light (3.5g), low-profile, and fits both women and men. Offered in various sizes (US 8-13). Sleek for work, sleep, exercise, and daily activities. Rated 5ATM (50 meters water resistance) wear it during swimming, showering, hand washing, or sweating at the gym. No requirement to take it off for regular water contact. Sturdy and dependable for active lifestyles. Hypoallergenic Stainless Steel Build: Made from stainless steel that is hypoallergenic, robust, and comfortable for constant wear day and night without causing skin irritation